X+6=11
X-11=-6
5x=25
2x=10
2x+15=25
Answer:

Step-by-step explanation:
Given



Required
Determine the final price
If all discounts are taken, the final price is:

This gives:


Answer:
y=-3x+3..........(1)
6x+2y=6
putting value of y
6x+2(-3x+3)=6
6x-6x+6=6
o=0
sorry I do not get answer
Answer:
4
Step-by-step explanation)
n(3) - 5 = 7
n(3)= 7 + 5
n(3)= 12
n3/3 = 12/3
n =4
$750*.05 = $37.50
$420*.05 =$21.00
So the answer to your question would be C. At most $37.50 and at least $21.00 per month.
Hope this helps! :)